llEscapeURL

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/LSL

EscapeURL

llEscapeURL

Summary

Function: string llEscapeURL( string url );

307	Function ID
0.0	Forced Delay
10.0	Energy

Returns a string that is the escaped/encoded version of url, replacing spaces with %20 etc. The function will escape any character not in {a-z, A-Z, 0-9} to %xx where "xx" is the hexadecimal value of the character in UTF-8 byte form.

• string

url

To clarify, numbers and ASCII7 alphabetical characters are NOT escaped. If a character requires more then one byte in UTF-8 byte form then it returns multiple %xx sequences chained together.

This function is similar to functions (e.g. rawurlencode, encodeURIComponent) found in many other languages:
PHP rawurlencode ECMAScript encodeURIComponent

Caveats

• The function is not appropriate for escaping a URL all at once, because the ':' after the protocol, and all of the '/' characters delimiting the various parts, will be escaped. Instead, build the URL in parts; escaping parts of the path and query string arguments as needed.

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Examples

<lsl> // Provides a clickable link to the LSL Portal by escaping the space in the title // "LSL Portal" here becomes "LSL%20Portal"

string title = "LSL Portal";

default {

   state_entry()
   {
       llOwnerSay("http://wiki.secondlife.com/wiki/" + llEscapeURL(title));
   }

}

</lsl>

See Also

Functions

• llUnescapeURL

Articles

• UTF-8
• Base64

Deep Notes

History

• Prior to SL versions 1.19.1.81992, this function was limited to returning a maximum of 254 characters. SVC-470

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Signature
function string llEscapeURL( string url );